Heap-based buffer overflow in Google Chromium - CVE-2026-13798
Published: July 1, 2026
Vulnerability identifier: #VU136190
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-13798
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted HTML content in Chromecast. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
Affected software
Google Chromium
Microsoft Edge
Google Chrome
Prisma Access Browser
Debian Linux
chromium (Debian package)
Microsoft Edge
Google Chrome
Prisma Access Browser
Debian Linux
chromium (Debian package)
How to mitigate CVE-2026-13798
Install update from vendor's website.
Google Chromium - update to 150.0.7871.46
Microsoft Edge - update to 150.0.4078.48
Google Chrome - update to 150.0.7871.46
chromium (Debian package) - update to 150.0.7871.46-1~deb13u1
Prisma Access Browser - update to 150.49.8.187
Microsoft Edge - update to 150.0.4078.48
Google Chrome - update to 150.0.7871.46
chromium (Debian package) - update to 150.0.7871.46-1~deb13u1
Prisma Access Browser - update to 150.49.8.187